|
Records Committee review for rare bird sighting of Great Black-backed Gull near Bettendorf, 1991
|
Administrative records Clippings (information artifacts) Field notes Charts (graphic documents)
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-01-14
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review for rare bird sighting of a Great Black-backed Gull near Bettendorf in Scott County, IA on January 14, 1991. Includes a record review document with votes, an article in Iowa Bird Life, appraisal and comparison of relevant bird sightings, and two documentation forms submitted to the committee.
|
Fuller, James L
|
Great Black-backed Gull
|
Bettendorf
|
Mississippi River between Bettendorf, Iowa, and Moline, Illinois. The bird was at times in both states.
|
Ice floes and open water of Mississippi River.
|
The documentation form by Jim Fuller forms the basis of this record. Another documentation form by Thomas H. Kent was submitted. Other observers include Dick Tetrault, Peter Petersen, Ann Barker, Eugene Armstrong, Eloise Armstrong, and Chuck Fuller. | Elimination of similar species: Western gull is the same size as herring gull, as is slaty backed gull and lesser black backed gull is smaller than herring. The very large legs and bill would also speak against lesser black-backed and slaty-backed. | The original documentation form event lasted from 11:05:00/11:40:00 on January 14, 1991 and 07:41:00/07:48:00 and 08:12:00/08:28:00 on January 17, 1991.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Sabine's Gull at the riverfront of Davenport, 1991
|
Administrative records Clippings (information artifacts) Field notes Photographs
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-10-13
|
1994-02-27
|
Rare birds documentation form
|
Records Committee review for two Sabine's Gull at the riverfront of Davenport in Scott County, IA on October 13, 1991. Includes a record review document with votes, an article in Meadowlark, excerpts from American Birds, article and front page from Iowa Bird Life, seven photographs, and seven documentation forms submitted to the committee.
|
Peiser, Richard H.
|
Sabine's Gull
|
Davenport
|
Riverfront, Davenport, IA
|
Stone embankment + river
|
The documentation form by Richard H. Peiser forms the basis of this record. Other documentation forms by Thomas H. Kent, Reid Allen, Peter C. Petersen, James Fuller, Randall Pinkston, and Ann Johnson were submitted. Other observers include John King, Dick Tetrault, Tim Schantz, Brian Blevins, Ann Barker, Jim Scheib, Mary Lou Peterson, Babs Padelford, Loren Padelford, Pam Allen, and many unidentified other observers. | Elimination of similar species: The upperwing pattern is so striking as to eliminate other gull species, even in the Juvenile Black hood of adult, slight fork of tail + black band on imm. tail band helped. Yellow tip of bill on adult clincher | The original documentation form event lasted from 14:00:00/18:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Records Committee review for rare bird sighting of Sabine's Gull at Diamond Lake County Park, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-09-25
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Sabine's Gull at Diamond Lake County Park in Poweshiek County, IA on September 25, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Koenig, Darwin
|
Sabine's Gull
|
Diamond Lake County Park
|
Diamond Lake County Park, Poweshiek County
|
|
The documentation form by Darwin Koenig is the only one submitted and forms the basis of this record. | Elimination of similar species: 1. Black-legged Kittiwake - larger, no forked tail, lacks bold black, white, greyish-brown triangular wing pattern, has a dark diagonal bar in wings, has dark bar on hind neck and dark ear spot. 2. Little Gull - smaller, dark cap and ear spot, dark diagonal bar across wing, no forked tail, lacks bold black, white and greyish brown triangular wing pattern. | The original documentation form event lasted from 16:15:00/17:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Records Committee review for rare bird sighting of Sabine's Gull north of Farragut, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-09-24
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Sabine's Gull north of Farragut in Fremont County, IA on September 24, 1989. Includes a record review document with votes and a documentation form submitted to the committee.
|
Braley, Jean B.
|
Sabine's Gull
|
Farragut
|
Hiway #2, North of Farragut, IA c 1 mile E of Co. Rd. M16 to 1 mile W.
|
State highway - Nishna Botna River parallel to road 1/8 to 1/4 mile so[...]
|
The documentation form by Jean B. Braley is the only one submitted and forms the basis of this record. Another observer includes Francis M. Braley. | Elimination of similar species: Felt sure it was not a familiar species (to me) although I thought about Bl Kittiwake (R. Tridacryla) but wings too black + white without black band to body; smaller size; no black band across neck | The original documentation form event lasted from 09:20:00/09:27:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Records Committee review for rare bird sighting of Sabine's Gull near Jester Park at Saylorville Reservoir, 1988
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-10-20
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review for a Sabine's Gull near Jester Park at Saylorville Reservoir in Polk County, IA on October 20, 1988. Includes a record review document with votes, an article in Iowa Bird Life, and two documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Sabine's Gull
|
Jester Park
|
near the Jester Park area of Saylorville Reservoir, Polk Co.
|
resting on large mud bar on reservoir
|
The documentation form by Steve Dinsmore forms the basis of this record. Another documentation form by Robert Myers was submitted. | Elimination of similar species: The size, grayish upperparts, and striking wing pattern eliminate all other gulls. | The original documentation form event lasted from 16:05:00/17:50:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Records Committee review for rare bird sighting of Sabine's Gull at Oak Grove Beach at Saylorville Reservoir, 1986
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1986-10-05
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Sabine's Gull at Oak Grove Beach at Saylorville Reservoir in Polk County, IA on October 5, 1986. Includes a record review document with votes, a summary of the review, and a documentation form submitted to the committee.
|
Dinsmore, Stephen J.
|
Sabine's Gull
|
Oak Grove Recreation Area
|
Oak Grove Beach, Saylorville Reservoir, Polk Co.
|
sitting on and circling over the beach parking lot
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. | Elimination of similar species: All other gulls eliminated combination of wing pattern and slightly forked tail with black terminal band. | The original documentation form event lasted from 09:13:00/09:18:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Records Committee review for rare bird sighting of Sabine's Gull at Saylorville Dam, 1983
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1983-11-10
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Sabine's Gull at Saylorville Dam in Polk County, IA on November 10, 1983. Includes a record review document with votes, an article in Iowa Bird Life, a summary of the review, and eleven documentation forms submitted to the committee.
|
Armstrong, Eloise
|
Sabine's Gull
|
Saylorville Dam
|
Tailwaters of Saylvorville Dam - Polk County, Iowa
|
Large body of water
|
The documentation form by Eloise Armstrong is the earliest and the one that forms the basis of this record. Other documentation forms by Carl Bendorf, Thomas J. Staudt, Peter C. Petersen, Thomas H. Kent, James Dinsmore, Hank Zaletel, Mike Newlon, Robert K. Myers, Francis L. Moore, and Beth Proescholdt were submitted later. Other observers include Phyllis Harris, Carol McMillen, Ramona Sommerlot, Mark Proescholdt, Russell Hays, Carol Newlon, Bernie Knight, Cal Knight, BJ Rose, Steve Dinsmore, Joe Schaufenbuel. Dick Mooney, Pauline Mooney, Eugene Armstrong, Bery Engebretsen, and many unidentified other observers. | Elimination of similar species: Little Gull and Kittiwake | The original documentation form event lasted from 13:15:00/13:45:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
9
|
|
Records Committee review for rare bird sighting of a Great Black-backed Gull at Whitebreast Point in Red Rock Reservoir, 1994
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1994-12-17
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Whitebreast Point in Red Rock Reservoir in Marion County, IA on December 17, 1994. Includes a record review document with votes and a documentation form submitted to the committee.
|
Johnson, Ann
|
Great Black-backed Gull
|
White Breast Creek
|
Whitebreast Point, Red Rock Reservoir, Marion Co., IA
|
Flying over open water and ice
|
The documentation form by Ann Johnson is the only one submitted and forms the basis of this record. Another observer includes Tim Schantz. | Elimination of similar species: Large size (larger than Herring) eliminated most others. White head and black and white checkering eliminate Lesser Black-backed and Herring. | The original documentation form event lasted from 10:40:00/10:45:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Black Hawk Lake, 1994
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1994-10-23
|
1996-04-25
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Black Hawk Lake in Sac County, IA on October 23, 1994. Includes a record review document with votes and a documentation form submitted to the committee.
|
Ernzen, Peter
|
Great Black-backed Gull
|
Black Hawk Lake
|
Black hawk Lake
|
Lake
|
The documentation form by Pete Ernzen is the only one submitted and forms the basis of this record. Other observers include Bob Livermore. | Elimination of similar species: [...] Because I did not see the bird from front I could not eliminate other species - However due to its extreme size I eliminated all other species. | The original documentation form event lasted from 10:34:00/10:34:30.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting for Great Black-backed Gull near the Keokuk Wastewater Treatment Plant, 1993
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1993-12-25
|
1995-07-08
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed near the Keokuk Wastewater Treatment Plant in Lee County, IA on December 25, 1993. Includes a record review document with votes and a documentation form submitted to the committee.
|
Cecil, Robert I.
|
Great Black-backed Gull
|
Keokuk Wastewater Plant
|
Near Sewage treatment plant, Mississippi River, Keokuk, Lee Co. IA
|
River
|
The documentation form by Bob Cecil is the only one submitted and forms the basis of this record. Other observers include John Cecil. | Elimination of similar species: All other gulls eliminated based upon size alone. | The original documentation form event lasted from 14:00:00/14:30:00 and around 16:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull near Bettendorf, 1993
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1993-02-28
|
1995-07-08
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull near Bettendorf in Scott County, IA on February 28, 1993. Includes a record review document with votes and a documentation form submitted to the committee.
|
Fuller, James L
|
Great Black-backed Gull
|
Ben Butterworth Parkway
|
Mississippi River between Bettendorf, Iowa and Moline, Illinois (Scott Co.).
|
|
The documentation form by Jim Fuller is the only one submitted and forms the basis of this record. | Elimination of similar species: [...] In the middle of the group was a gull that was darker than any of the other birds, even the immature Herring Gulls. [...] In general size, this bird appeared almost twice the size of the Ring-billed Gulls, and considerably larger than the Herring Gulls, maybe 25%. It also had a massive bill compared to either of those species. [...] The legs were a dull gray-pink, and they were noticeably thicker than those of the Herring or Ring-billed Gulls. | The original documentation form event lasted from 11:05:00/11:35:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Sandpiper Beach at Saylorville Reservoir, 1992
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1992-03-07
|
1994-10-18
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Sandpiper Beach at Saylorville Lake in Polk County, IA on March 7, 1992. Includes a record review document with votes, an article in Iowa Bird Life, and a documentation form submitted to the committee.
|
Sinclair, Jim
|
Great Black-backed Gull
|
Sandpiper Recreation Area
|
Sandpiper Beach ,Saylorville Lake
|
Beach
|
The documentation form by Jim Sinclair is the only one submitted and forms the basis of this record. | Elimination of similar species: The only gull which approaches the Gr. Bl-backed in size is the Glaucous Gull - this species would not have a dark tail band or dark secondaries or an all dark bill | The original documentation form event occurred around 11:30:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Lock 19 in Keokuk, 1991
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1991-02-07
|
1993-07-17
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Lock 19 in Keokuk in Lee County, IA on February 7, 1991. Includes a record review document with votes, an article in Iowa Bird Life, comparison of different gull sightings, and two documentation forms submitted to the committee.
|
Dinsmore, Stephen J.
|
Great Black-backed Gull
|
Lock Number 19
|
Lock 19, Keokuk, Lee Co.
|
|
The documentation form by Steve Dinsmore forms the basis of this record. Another documentation form by Ann Johnson was submitted. Another observer was Beth Brown. | Elimination of similar species: The black mantle really eliminates most other gulls. Western Gull, a remote possibility, is smaller and has a slightly paler mantle. | The original documentation form event lasted from 13:10:00/15:40:00 on February 7, 1991 and 13:32:00/14:20:00 on February 8, 1991.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Slaty-backed Gull near Lindsay Park, 1992
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1992-02-06
|
1994-10-18
|
Rare birds documentation form
|
Records Committee review for a Slaty-backed Gull near Lindsay Park in Davenport in Scott County, IA on February 6, 1992. Includes a record review document with votes and a documentation form submitted to the committee.
|
Petersen, Peter C.
|
Slaty-backed Gull
|
Lindsay Park
|
Lindsay Park Boat Club, Davenport, Scott Co., IA + Rock Isl. along Miss. R.
|
Ice flow, Iowa side of Miss. River - flew toward Il. when flushed.
|
The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. | Elimination of similar species: Lesser Black-backed Gull - legs not yellow too large, wide trailing edge on wing, white between tips of primaries + mantle. Greater Black-backed Gull - too small, mantle not black. Western Gull- | The original documentation form event lasted from 09:35:00/09:45:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
6
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Davenport, 1989
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1989-12-13
|
1993-08-06
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Davenport in Scott County, IA on December 13, 1989. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Kent, Thomas H. (Thomas Hugh), 1934-
|
Great Black-backed Gull
|
Davenport
|
Davenport, Scott Co., Iowa
|
Mississippi River north of Credit Is.
|
The documentation form by Thomas H. Kent forms the basis of this record. Another documentation form by Jim Fuller was submitted. | Elimination of similar species: Size, all black upper wing and back, large head and bill, pink legs eliminate all other black-backed gulls. | The original documentation form event lasted from 13:40:00/13:55:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting for Great Black-backed Gull east of Lock and Dam 15 in Davenport, 1988
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-12-18
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Lock and Dam 15 in Davenport in Scott County, IA on December 18, 1988. Includes a record review document with votes and two documentation forms submitted to the committee.
|
Petersen, Peter C.
|
Great Black-backed Gull
|
Lock and Dam 15
|
Missisippi River just E (upstream) of Lock 15 in Davenport
|
river ice
|
The documentation form by Peter C. Petersen is the earliest and the one that forms the basis of this record. Another documentation form by Jim Fuller was submitted later. Other observers include Mary Lou Petersen, Walter Zuurdeeg, Ann Barker, and Don Moeller. | Elimination of similar species: Lesser Black-backed Gull - this bird too large, mantle color too dark, legs color was pink, not yellow. | The original documentation form event lasted from 11:40:00/11:50:00 and 13:00:00/13:05:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Sandpiper Beach at Saylorville Reservoir, 1988
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1988-12-10
|
1993-08-04
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Sandpiper Beach at Saylorville Reservoir in Polk County, IA on December 10, 1988. Includes a record review document with votes and a documentation form submitted to the committee.
|
Engebretsen, Bery
|
Great Black-backed Gull
|
Sandpiper Recreation Area
|
Saylorville
|
Specific: Big end of Saylorville Specific: off Sandpiper Beach, half in ice, half open
|
The documentation form by Bery Engebretsen is the only one submitted and forms the basis of this record. Another observer includes Eugene Armstrong. | Elimination of similar species: Larger than Herring gull would seem to eliminate Lesser BB, also, only one dark secondary band on wing white head + large size unlike immature Herring Gull. | The original documentation form event lasted from approximately 11:00:00/11:15:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Jester Park at Saylorville Reservoir, 1987
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1987-11-07
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Jester Park at Saylorville Reservoir in Polk County, IA on November 7, 1987. Includes a record review document with votes and a documentation form submitted to the committee.
|
Dinsmore, Stephen J.
|
Great Black-backed Gull
|
Jester Park
|
Saylorville Reservoir, Polk Co.-off Jester Park
|
feeding with other gulls on large reservoir
|
The documentation form by Steve Dinsmore is the only one submitted and forms the basis of this record. Another observer includes Andy Fix. | Elimination of similar species: The large size and dark wingtips eliminates all gulls except Western and Yellow-footed. The massive, dark bill, tail pattern, and pale body color eliminates these. | The original documentation form event lasted from approximately 10:15:00/10:20:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull near the Ben Butterworth Parkway in Moline, 1986
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1986-12-21
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull near the Ben Butterworth Parkway in Moline in Rock Island County, IL on December 21, 1986. Includes a record review document with votes, summary of review, and six documentations submitted to the committee.
|
Sandvick, Gil
|
Great Black-backed Gull
|
Ben Butterworth Parkway
|
Ben Butterworth Parkway Miss. River - Il. side
|
|
The documentation by Gil Sandvick is the earliest and the one that forms the basis of this record. Other documentations by Thomas H. Kent, James Fuller, Carl Bendorf, Mary Lou Petersen and Peter C. Petersen, and Francis Moore were submitted later. Other observers include Doris Sandvick, Carol Rogers, Tim Dwyer, Al Hahn, Cal Knight, Ann Barker, Betty Hunt, Kelly McKay, Lewis Blevins, Brian Blevins, Corey Blevins, and other unidentified observers. | Elimination of similar species: [...] It was standing with approx eight Herring gulls. "It really stood out." [...] 1. Using Robbins + Peterson books confirming Herring. Great Black-Backed and Lesser Black Gull we eliminated by size to 24"-26". 2. His overall appearance including bill, head and body seemed much larger and fuller than the Herring gulls. | The original documentation form event lasted from 15:35:00/16:05:00 on December 21, 1986 and 10:00:00/11:00:00 on December 23, 1986.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Red Rock Reservoir, 1986
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1986-12-03
|
1993-09-07
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Red Rock Reservoir in Marion County, IA on December 3, 1986. Includes a record review document with votes and a documentation submitted to the committee.
|
Petersen, Peter C.
|
Great Black-backed Gull
|
Lake Red Rock
|
Seen from Hwy 14 bridge across Red Rock Res.
|
|
The documentation by Peter C. Petersen is the only one submitted and forms the basis of this record. Another observer includes Gil Sandvick. | Elimination of similar species: [...] Herring Gull eliminated by large size, small amount of dark brown on tail, light head + rump. Also lacked light area on inner primaries noted in the nearby Herring Gull. | The original documentation form event lasted from 14:35:00/14:35:30.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Triboji Beach at West Okoboji Lake, 1982
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1982-07-14
|
1993-09-01
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Triboji Beach at West Okoboji Lake in Dickinson County, IA on July 14, 1982. Includes a record review document with votes, summary of review, an article of Iowa Bird Life, and two documentation forms submitted to the committee.
|
Hinshaw, Linda
|
Great Black-backed Gull
|
Triboji Beach
|
N. end of West Okoboji Lake in an area called Triboji Beach on the end of the dock of Earl Rose 1/2 block east of Lee's Resort. Saw same bird fly out into the water.
|
Large fresh water "blue lake" with sandy shore. Shoreline all developed in housing + resorts.
|
The documentation form by Linda Hinshaw forms the basis of this record. Another documentation form by Douglas Harr was submitted. Other observers include Earl Rose, Fleta Rose, Robert Hinshaw, Gwen Hedin, Curt Hedin, Loraine Wallace, Pearle Osher, LaVonne Foote, and Nina Loehr. | Elimination of similar species: It was too large to be a lesser Black Backed Gull + legs were flesh colored, not yellow. Also much too large to be the Western Gull listed in the Golden Field Guide - 'Birds of North America." | The original documentation form event lasted from 18:30:00/18:50:00 and 19:30:00/20:15:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Great Black-backed Gull at Lake Manawa, 1978
|
Administrative records Clippings (information artifacts) Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1978-12-06
|
1993-08-19
|
Rare birds documentation form
|
Records Committee review for a Great Black-backed Gull at Lake Manawa in Pottawattamie County, IA on December 6, 1978. Includes a record review document with votes, articles in Nebraska Bird Review, Iowa Bird Life, and American Birds, and two documentation forms submitted to the committee.
|
Green, Ruth
|
Great Black-backed Gull
|
Lake Manawa
|
Lake Manawa, Council Bluffs, Iowa
|
Most of Lake Manawa was frozen over at this time but there were small patches of open water. The bird was standing on the ice at the edge of one of these patches.
|
The documentation form by Ruth Green forms the basis of this record. Another documentation form by Sandra S. Kovanda and James Kovanda, Jr. was submitted. | Elimination of similar species: There were only two gulls at this time there--this bird and the glaucous. | The original documentation form event lasted from approximately 16:30:00/17:00:00.
|
Iowa Ornithologists' Union | MS 166
|
11
|
8
|
|
Records Committee review for rare bird sighting of Greater Black-backed Gull at George Wyth State Park, 1980
|
Administrative records Field notes
|
Bird watching Ornithology Ornithology--Societies, etc
|
1980-04-03
|
1993-08-16
|
Rare birds documentation form
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Records Committee review for a Greater Black-backed Gull at George Wyth State Park in Black Hawk County, IA on April 3, 1980. Includes a record review document with votes and a documentation form submitted to the committee.
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Stone, Tom, Jr.
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Great Black-backed Gull
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George Wyth Memorial State Park
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George Wyth S.P.
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Wooded area and open lakes, river. Specific - George wyth lake about 10 acres marshy nearby ponds and lakes, and the Cedar River.
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The documentation form by Tom Stone, Jr. is the only one submitted and forms the basis of this record. | Elimination of similar species: second year Herring Gull is alot smaller and has a two-tone coloring of the beak. And beak is not as heavily built. | The original documentation form event lasted from approximately 17:00:00/17:15:00.
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Iowa Ornithologists' Union | MS 166
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11
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8
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Records Committee review for rare bird sighting of Western Gull near Ben Butterworth Parkway, 1991
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Administrative records Clippings (information artifacts) Field notes Charts (graphic documents)
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Bird watching Ornithology Ornithology--Societies, etc
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1991-01-15
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1993-07-17
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Rare birds documentation form
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Records Committee review for a Western Gull near Ben Butterworth Parkway in Rock Island County, IL on January 15, 1991. Includes a record review document with votes, comparisons of different gull observations, an article in Iowa Bird Life, and a documentation form submitted to the committee.
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Petersen, Peter C.
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Western Gull
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Ben Butterworth Parkway
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Butterworth Parkway, Moline, Rock Isl. Co, IL
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Ice on Mississippi River
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The documentation form by Peter C. Petersen is the only one submitted and forms the basis of this record. Other observers include Ann Barker, Brian Blevins, and Eugene Armstrong. | Elimination of similar species: Great Black-backed Gull - this bird much too small Lesser Black-backed Gull - Too heavily built, tail band very broad, no yellowish colour on legs. Slaty-backed Gull - The biggest problem - I felt this bird was not dark mantled enough was too heavily bodied + too much of a domed forehead. | The original documentation form event lasted from 09:35:00/09:45:00, 10:35:00/11:00:00, 12:40:00/12:52:00 on January 15, 1991 and 09:25:00/09:35:00 on January 16, 1991.
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Iowa Ornithologists' Union | MS 166
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11
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7
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Records Committee review for rare bird sighting of Western Gull east of Lock and Dam 15 near Davenport, 1989
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Administrative records Correspondence Field notes
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Bird watching Ornithology Ornithology--Societies, etc
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1989-12-11
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1993-08-06
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Rare birds documentation form
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Records Committee review for a Western Gull east of Lock and Dam 15 near Davenport in Scott County, IA on December 11, 1989. Includes a record review document with votes, correspondence relevant to bird sighting and review, and three documentation forms submitted to the committee.
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Petersen, Peter C.
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Western Gull
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Lock and Dam 15
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On Miss. River chanel [sic] ice between Davenport, Scott Co. IA &+ Rock Isl. Arsenal, RI Co. IL.
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On ice covered chanel [sic] of Mississippi - 1/4 - 1/2 mi. upstream (East) of Lock + Dam 15.
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The documentation form by Peter C. Petersen forms the basis of this record. Other documentation forms by Brian Blevins and Gerald White were submitted. Another observers includes Lewis Blevins. | Elimination of similar species: Slaty-backed Gull - Gray mantle merged directly to black tips, trailing white wing edge too narrow, mantle color too dark for g.b. Lesser-Black-bkd Gull - leg color pink, bird too large + heavy Greater Black-bkd. Gull - Bird too small, back not black enough, legs too bright + pink. | The original documentation form event lasted from 15:30:00/15:35:00 on December 11, 1986, 08:20:00/08:25:00 and 09:00:00/09:15:00 on December 12, 1986.
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Iowa Ornithologists' Union | MS 166
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11
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7
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